.TH std::chrono::weekday_indexed::ok 3 "2024.06.10" "http://cppreference.com" "C++ Standard Libary"
.SH NAME
std::chrono::weekday_indexed::ok \- std::chrono::weekday_indexed::ok

.SH Synopsis
   constexpr bool ok() const noexcept;  \fI(since C++20)\fP

   Checks if the weekday object and the index stored in *this are both valid.

.SH Return value

   true if weekday().ok() == true and index() is in the range [1, 5]. Otherwise false.

.SH Example


// Run this code

 #include <chrono>
 #include <iostream>

 int main()
 {
     std::cout << std::boolalpha;

     std::chrono::weekday_indexed wdi{std::chrono::Tuesday[2]};
     std::cout << (wdi.ok()) << ' ';
     wdi = {std::chrono::weekday(42)[2]};
     std::cout << (wdi.ok()) << ' ';
     wdi = {std::chrono::Tuesday[-4]};
     std::cout << (wdi.ok()) << '\\n';
 }

.SH Output:

 true false false
